"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7341212 | Enhanced ore comminution process and apparatus A method and apparatus for comminuting particulate material by inter-particle comminution in a bed of particles are disclosed. The apparatus includes a vertical roller mill with a horizontal grinding table rotating about a verticle mill axis. At least one grinding r... | 03/11/2008 |
| 7311481 | Milling cutter Milling cutter (1), which can rotate about a cutter longitudinal axis (A), comprises a sleeve-shaped shaft (2) provided with an inner lying chip evacuation channel (11), which is arranged, in essence, symmetric to the cutter longitudinal axis (A... | 12/25/2007 |
| 5988540 | Comminuting and distributing device for recycling yard waste A comminuting and distribution device for recycling yard waste is provided. The device includes a mixing tank mounted on an upper surface of a movable support structure. The mixing tank includes a slurry preparation structure therein for creating a slurry... | 11/23/1999 |
| 5860606 | Chipper/shredder having rotatable feed chute A chipper/shredder for comminuting debris such as leaves, twigs, branches and the like, comprising a housing having at least one inlet for receiving such debris, cutting elements disposed within the housing, an engine operatively coupled to the cutting el... | 01/19/1999 |
| 5816509 | Apparatus for continuously supplying fine powder in minute and quantitative amounts An apparatus for continuously supplying fine particles (powder) in minute and quantitative amounts in a dispersed manner, is disclosed. An orifice throat 5 is formed in an orifice tube, and a powder carrying tube 7 is connected to the orifice throat. A po... | 10/06/1998 |
| 5667158 | Automated blend reclaim system for pharmaceutical tablet compression machine In combination an automated blend waste reclaim apparatus and a pharmaceutical tablet compression machine to facilitate reintroduction of blend into the tablet compression machine and comprising a filter operatively connected to the bulk material containe... | 09/16/1997 |
| 5642864 | Chipper vacuum shredder system and apparatus A chipper vacuum shredder system and apparatus includes a chipper mechanism, a shredder mechanism and a vacuum mechanism carried by a mobile platform. The vacuum mechanism is coupled to a passage having a nozzle. The nozzle includes an adjustable baffle s... | 07/01/1997 |
| 5419499 | Treatment of particulate material The invention provides a mill or classifier includes a rotor with a plurality of outwardly radiating beater elements which is mounted for rotation within a housing. The housing defines an upper level inlet for raw material and one or more outlets for trea... | 05/30/1995 |
| 5377916 | Surface abrasive treatment of small objects An apparatus for use and a method of abrading small objects to remove surface material from such small objects, the apparatus including a chamber and an abrasive moving bottom that passes under a transverse wall of the chamber having an inlet and outlet f... | 01/03/1995 |
| 5352471 | Process for drying and pulverizing food raw materials A process for dry pulverization of food raw materials, charactrized by the process steps, which comprises placing the food raw material in a closed vessel, evacuating the vessel to a vacuum and effecting therein the processing operations, which comprises cutting th... | 10/04/1994 |
| 5340035 | Combination chipper and shredder apparatus and lawn vacuum machine A combination chipper and shredder apparatus and lawn vacuum is obtained by providing an input chute or hopper on the machine that is movable to either of two positions by coupling the input chute to the wall of the chipping and shredding chamber with a c... | 08/23/1994 |
| 5295629 | Vertical type grain-milling machine A vertical type grain-milling machine has a perforated bran removing cylinder arranged vertically with respect to a machine frame; a main shaft which is rotatably provided within the perforated bran removing cylinder; and a milling roll and a screw roll w... | 03/22/1994 |
| 5221053 | Device for opening pressed fiber bales In a device for opening pressed fiber bales material, using at least one milling roller (3,4) acting on the bale surface (20) of the fiber bales, and one pressure roller (18) arranged before and behind the milling roller, respectively, in the moving direc... | 06/22/1993 |
| 4747550 | Grinding mill with multiple milling sections A grinding mill containing a plurality of milling sections and composed of: a single cylindrical stator common to all milling sections; a rotor mounted in the stator for rotation about the longitudinal axis of the stator and having a plurality of milling ... | 05/31/1988 |
| 4660776 | Vertical grinding mill An improved vertical grinding mill is provided which has a shell, a vertical helically bladed shaft rotatably mounted in the shell, a collector, a drive for the shaft, and a fan or a pump. The shaft is hollow and its lower end is open at the bottom of the... | 04/28/1987 |
| 4641789 | Compactor enhancement system An automatic compactor enhancement reduces the volume of compactable low-level radioactive wastes and transfers the reduced wastes to a nearby waste compactor. The wastes are shredded by a primary shredder assembly and a secondary shredder assembly. The s... | 02/10/1987 |
| 4595149 | Apparatus for reducing fiber bales by way of an opening device In the opening device for reducing fiber bales, e.g. cotton and staple fiber bales or the like, the opening rollers are arranged in a housing. The detached fibers or flocks are carried away in direction of the longitudinal axis of the opening rollers by m... | 06/17/1986 |
| 4568029 | Method and apparatus for unloading catalyst from a tubular reactor Apparatus for unloading particulate catalyst, e.g., cylindrically shaped catalyst, from a multiplicity of elongated reactor tubes is described. The apparatus comprises, in combination, a plurality of coaxial hollow pipe members contiguously arranged and b... | 02/04/1986 |
| 4531461 | Solid fuel pulverizing and burning system and method and pulverizer and burner therefor A system for pulverizing and burning solid fuel, such as coal or other fossil fuel, characterized by a possible turndown ratio of up to at least fifteen to one, includes a unique pulverizer capable of both impact and autogenous pulverizing of the fuel so ... | 07/30/1985 |
| 4522343 | Micronized grinding apparatus Apparatus for grinding coal to micron fineness having a grinding chamber with a grinding surface supported by a circumferential wall in the grinding chamber, a plurality of grinding rolls orbiting in the grinding chamber for grinding the coal, air supply ... | 06/11/1985 |
| 4520963 | Process and equipment for continuous cutting of material A process for cutting of material includes the continuous loading therefrom into a generally cylindrically or conically shaped vessel, which is rotating around its longitudinal axis, in which is mounted a fast rotating knife shaft, its knives which are pr... | 06/04/1985 |
| 4461428 | Apparatus for reducing fraible materials into coarse and fine fractions Apparatus for producing coarse and fine products from a common source of material and for avoiding the presence of substantial quantities of fines in the coarse product by introducing the common material ahead of the mill and establishing a flow of air or... | 07/24/1984 |
| 4382557 | Method and apparatus for de-aerating viscous mixing stock A de-aerating agitating mill, especially for paints, pigments and the like in which the mixing chamber is closed off from a discharge chamber which may be subjected to reduced pressure. The closure is effected by a separator device consisting of a central... | 05/10/1983 |
| 4325515 | Mixing apparatus and method for condensing, mixing and granulating thermoplastic materials The mixing apparatus has a crushing chamber which can be continuously charged with material and a circulating chamber being in communication with the crushing chamber by way of a port. The port can be shut. The continuously charged material can be pre-con... | 04/20/1982 |
| 4177953 | Chopping-raising-cleaning assembly for sugar cane harvesting machines A chopping-raising-cleaning assembly for sugar cane harvesting machines in which the operations of cutting the cane into billets, cleaning of said billets and elevation and transport of the billets to a loading position is out by a billet chopping-throwin... | 12/11/1979 |
| 4127237 | Plural bowl mills in series A bowl mill for pulverizing coal, wherein two bowl surfaces are rotated on the same shaft. The raw crushed coal is pulverized in one of the bowls, and the pulverized coal therefrom is then transported in an air stream to a classifier from where the fines ... | 11/28/1978 |
| 4121777 | Mobile tree removing apparatus A mobile tree removing apparatus includes an elongate extensible and retractable boom structure mounted on a vehicle such as a truck. A cutting device is mounted on the outer end of the boom structure and includes a housing having a plurality of cutting m... | 10/24/1978 |
| 4098494 | Method and apparatus for making battery paste Apparatus for making battery paste comprises a mixing chamber having a floor with a cylindrical upstanding side wall and a top cover. A mixing head is mounted for rotation in the chamber including at least one mulling wheel and at least one plow for movin... | 07/04/1978 |
| 4084753 | Apparatus for the preparation of insulating material This disclosure relates to apparatus which is particularly adapted for forming an admixture of dry materials, such as a first sound deadening, heat resistant and fire insulating fibrous material, such as paper, and a second material which makes flame resi... | 04/18/1978 |
| 4084754 | Combined vane-rotor separator A combined vane-rotor separator comprises a rotor, which has upstanding illor baffle rails arranged at the outer periphery thereof. A housing surrounds the rotor to which a feed mixture is supplied in a gas flow from a roll mill and from which the gas an... | 04/18/1978 |
| 4037795 | Waste disposal systems A centralized vacuum waste disposal system, particularly for use in hospitals, comprises one or more shredding machines feeding a remote incinerator via a ducting system through which shredded waste is drawn by an air compressor. To prevent contaminated a... | 07/26/1977 |
| 4033458 | Method and apparatus for cleaning shredded scrap Shredded scrap is conveyed from a heat generating automobile shredder to one end of a horizontal tumbling drum and is caused to move in one direction through the drum as it tumbles. An air stream which has aspirated heat generated by the shredder, and car... | 07/05/1977 |
| 3995819 | Apparatus for reclaiming and recycling thermosetting scrap Scrap of thermosetting plastics is reclaimed and recycled by an integrally combined apparatus including means for pulverizing scrap into atomized powder and means for mixing and agitating the atomized powder with a virgin material at a desired ratio. An i... | 12/07/1976 |
| 3987968 | Flow-through moist pulp fiberizing device A moist pulp fiberization device wherein picked moist pulp enters a tubular chamber behind a fiberizing blade mounted coaxially within the chamber, the fiberizing blade being configured to produce a turbulent vortex with little, if any, pressure different... | 10/26/1976 |
| 3982702 | Sand lump grinder Apparatus for reducing lumps of material, such as lumps of sand recovered from casting operations in metal foundries or lumps of ore and the like, including various forms of bonded abrasive grinding wheels for abrading the lumps and reducing them to parti... | 09/28/1976 |